Livestatus command injection in RestAPI

published 2023-05-17 3 y ago modified 2026-10-24 16 d ago also EUVD-2023-35523

cvss: 8.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

Improper neutralization of livestatus command delimiters in the RestAPI in Checkmk < 2.0.0p36, < 2.1.0p28, and < 2.2.0b8 (beta) allows arbitrary livestatus command execution for authorized users.

Patch / fix

fixed in 1

Checkmk GmbH Checkmk 2.0.0p36, 2.1.0p28, 2.2.0b8

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-21)

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Checkmk GmbH Checkmk

Classification

Weakness

CWE-140 Improper Neutralization of Delimiters
CWE-77 Improper Neutralization of Special Elements used in a Command

References

checkmk.com /werk/15191
vendor-advisory

Sources

CVE List CVE-2023-31208
NVD CVE-2023-31208

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary